Fixed #17965 -- Definitely dropped support for Python 2.5. Thanks jonash for...

Fixed #17965 -- Definitely dropped support for Python 2.5. Thanks jonash for the initial patch and Aymeric Augustin for the review.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@17834 bcc190cf-cafb-0310-a4f2-bffc1f526a37